1) One kilometer (km) equals 0.6 miles. How many miles equal 2.75 km?
24) Factor 6x2 + x – 12 into two binomial terms.
25) A car requires 4 quarts of oil, but only liters are available. When the engine is filled to capacity with oil, how much, in liters, will be left? (1 qt = 0.946 L)
26)Carol runs 2.6 miles each weekday morning before going to work to prepare for a marathon race. If the race is approximately 26 miles, what percent of the distance does Carol run each week?
29) Solve for x and y: 5x – 2y = 1 and x + y = 10
33)What is 1 3/5 squared?
34)Compute: -374 – (-715)
37) What percent of 125 is 375?
42) How many miles equal 2.75 km? (1 km = 0.6 mi)
43) If 15 out of every 200 patients admitted to a hospital remain longer than a week, how many of the 2,800 admissions in a given year were released within one week?
44) A smoking cessation program was organized for 623 employees of a company, and 216 successfully stopping smoking. What was the approximate ratio of successes to failures?
45).03% of 1,500 is
50) If 24% of the 50 students who enrolled in a chemistry course dropped out, how many remained?